Mind map
Bias and Error
Mind map: Bias and error
Map content
Bias and Error
Statistical distribution
- Mean: average
- Median: middle value
- Mode: most frequent value
Hypothesis testing
- H0: null hypothesis
- H1: alternative hypothesis
Type I error (alpha)
- Rejects null hypothesis
- Reality: no association between exposure and outcome
- "False positive error"
Type II error (beta)
- Accepts null hypothesis
- Reality: association between exposure and outcome
- "False negative error"